Home Products Graphic LCD WG14432B

144x32 Graphic LCD Display

Model No. WG14432B

►Graphic LCD 144x32
►IC: ST7920
►+5V power supply
►Internal boost option
►1/32 duty cycle
►LED can be driven by PIN15, PIN16 or A, K
►Chinese version
►Same size as WH1602B
►Interface: 6800/SPI


WG14432B is a monochrome 144x32 graphics LCD module which is built in with ST7920 controller IC.  WG14432B is having the same mechanical size as Character WH1602B.  This WG14432B module supports 6800 parallel and SPI interface; 5V power supply, also internal boost 3.3V optional.  This 144x32 graphic LCD display supports Traditional Chinese Font and Simplified Chinese Font.  It can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.


Winstar 144x32 Graphic LCD Display - WG14432B
Data source ref:WG14432B-TMI-VGB#


Interface Pin Function

Pin No. Symbol Level Description
2 VDD 5.0V Power Supply (+5V)
3 VO   No connection
4 RS H/L H/L register select signal
5 R/W H/L H/L Read/Write signal
6 E H/L Enable signal
7 DB0 H/L Data bus line
8 DB1 H/L Data bus line
9 DB2 H/L Data bus line
10 DB3 H/L Data bus line
11 DB4 H/L Data bus line
12 DB5 H/L Data bus line
13 DB6 H/L Data bus line
14 DB7 H/L Data bus line
15 A LED+
16 K LED-

Mechanical Data

Item Dimension Unit
Number of dots 144 x 32
Module dimension 80.0 x 36.0 x 13.2 (MAX) mm
View area 66.0 x 16.0 mm
Active area 60.44 x 13.4 mm
Dot size 0.38 x 0.38 mm
Dot pitch 0.42 x 0.42 mm
LCD type STN Negative, Blue  Transmissive
(In LCD production, It will occur slightly color difference.We can only guarantee the same color in the same batch.)
Duty 1/32
View direction 6 o’clock
Backlight Type LED
IC ST7920
Interface 6800

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input Voltage VIN -0.3 VDD+0.3 V
Supply Voltage For Logic VDD-VSS -0.3 5.5 V
Supply Voltage For LCD VO-VSS 0 7.0 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 4.5 5.0 5.5 V
Supply Voltage For LCD V0-VSS Ta=-20℃

Input High Volt. VIH 0.7VDD VDD V
Input Low Volt. VIL -0.3 0.6 V
Output High Volt. VOH 0.8VDD VDD V
Output Low Volt. VOL 0.4 V
Supply Current IDD VDD=5.0V 2.0 2.5 3.5 mA
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